# Saohai Library vs A

The clearest difference is in-app purchases: Saohai Library at none against A's 1. Saohai Library also leads on ads (none vs shown) and iOS requirement (11.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. A sells 1 one-off in-app purchase. Saohai Library asks for nothing beyond the download.

## The numbers

| Metric | Saohai Library | A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Size | 84 MB | 16 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Openserve Co.,Ltd.](https://appshunter.io/developer/479158615) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Saohai Library

[App page](https://appshunter.io/ios/app/saohai-library/id1582154090)

**Features:** macOS Compatibility

**In-app purchases:** none


### A

[App page](https://appshunter.io/ios/app/a-level-ready/id6793435382)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All | $2.99 | one-time |


## Frequently asked questions

### Is Saohai Library free?

Saohai Library is free to download, with no in-app purchases.

### Is A free?

A is free to download, with in-app purchases available.

### Do Saohai Library or A have ads?

A shows ads; Saohai Library does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*